You can read online how financial aid works. There is a FAQ here even, in the threads pinned to the top of the forum.
http://talk.collegeconfidential.com/financial-aid-scholarships/1486647-financial-aid-faqs.html#latest
If you already applied, then you will get an aid package so you don’t have to debate what aid you will get, you will see. But it may very well be unaffordable.
Outside scholarships take time and energy to find. Start googling. They are usually smaller awards for one year only.